919901140

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{421973}}^1$

素因数の和:422091

約数の個数: 24

約数和(自身を含む): 1949519880

約数和(自身を除く): 1029618740

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 421973, 843946, 1687892, 2109865, 4219730, 8439460, 45995057, 91990114, 183980228, 229975285, 459950570, 919901140]

約数ペア:

[(1, 919901140), (2, 459950570), (4, 229975285), (5, 183980228), (10, 91990114), (20, 45995057), (109, 8439460), (218, 4219730), (436, 2109865), (545, 1687892), (1090, 843946), (2180, 421973)]